[clang] [ASTMatchers] Extend hasName matcher when matching templates (PR #100349)

[Aaron Ballman via cfe-commits]

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@@ -3076,6 +3076,21 @@ inline internal::BindableMatcher<Stmt> sizeOfExpr(
 /// \code
 ///   namespace a { namespace b { class X; } }
 /// \endcode
+///
+/// Qualified names in templated classes can be matched explicitly or implicity
+/// by specifying the template type or using `<*>` to match any template.
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AaronBallman wrote:

We should probably be clear that `<*>` is the *only* syntax we support. e.g., we don't let you search based on arity, as in `hasName("Foo<int, *>::Bar")`. Might be worth an example as well, definitely worth some test coverage.

https://github.com/llvm/llvm-project/pull/100349